package main

import "fmt"

func main() {

	for i := 0; i < 10; i++ {
	BREAKDEMO1:
		for j := 0; j < 10; j++ {
			if j == 3 {
				break BREAKDEMO1
			}
			fmt.Printf("%v~%v\n", i, j)
		}
	}
	fmt.Println("...")
}
